| Patents for H03H 11 - Networks using active elements (9,098) |
|---|
| 10/02/2002 | CN1091974C Boosting pulse generation circuit |
| 10/02/2002 | CN1091973C 通信站及滤波器装置 Communication stations and filter device |
| 10/01/2002 | US6459312 Semiconductor integrated circuit, delay-locked loop having the same circuit, self-synchronizing pipeline type system, voltage-controlled oscillator, and phase-locked loop |
| 10/01/2002 | US6459277 Line impedance calibration using actual impedance determination |
| 09/26/2002 | WO2002075922A2 Circuit and method for input side impedance matching of a power amplifier in an electronic device |
| 09/26/2002 | WO2002056558A3 Active filter circuit with dynamically modifiable internal gain |
| 09/26/2002 | US20020138540 Multiplier circuit |
| 09/26/2002 | US20020136340 Two-stage multiplier circuit |
| 09/26/2002 | US20020135417 Gm-C tuning circuit with filter configuration |
| 09/26/2002 | US20020135403 Trigger circuit |
| 09/26/2002 | US20020135351 Resolution filter for a spectrum analyzer |
| 09/26/2002 | DE10114037A1 Steuerbares Dämpfungsglied sowie Verfahren und Verwendung hierzu Controllable attenuator and method and use this |
| 09/25/2002 | EP1244213A2 Controllable attenuator, process and use |
| 09/25/2002 | EP1244210A2 Electronic circuit unit |
| 09/25/2002 | CN1371171A Phase mixer and multiple-phase generator with the phase mixer |
| 09/24/2002 | US6456832 Antenna circuit |
| 09/24/2002 | US6456174 Tuning circuit |
| 09/24/2002 | US6456137 Semiconductor circuit, delay adjustment method therefor and layout method therefor |
| 09/19/2002 | WO2002073801A1 Filter trimming |
| 09/19/2002 | WO2002073798A2 Continuously tunable phase shifter |
| 09/19/2002 | WO2002045264A3 Line impedance calibration using actual impedance determination |
| 09/19/2002 | US20020130721 Electronic circuit unit suitable for reduction in size and weight |
| 09/19/2002 | US20020130718 Variable gain circuit |
| 09/18/2002 | EP0829135B1 Phase shifting circuit and method for providing a phase shift |
| 09/17/2002 | US6452444 Method and apparatus for background calibration of active RC filters |
| 09/17/2002 | US6452434 Phase shifter circuit |
| 09/12/2002 | WO2002071621A2 Hybrid low-pass sigma-delta modulator |
| 09/12/2002 | US20020125939 Electronic filter circuit with feed back loop |
| 09/11/2002 | EP1238464A2 Duplexer with improved transmission/receiving band separation |
| 09/11/2002 | EP1238454A2 Gilbert-cell mixer using bipolar transistors |
| 09/11/2002 | EP0864199B1 An impedance means |
| 09/11/2002 | CN1369135A Analog filter |
| 09/11/2002 | CN1090819C Semiconductor IC |
| 09/10/2002 | US6448909 Analog continuous wavelet transform circuit |
| 09/10/2002 | US6448866 Microwave semiconductor variable attenuation circuit |
| 09/10/2002 | US6448848 Method of controlling common-mode in differential gm-C circuits |
| 09/10/2002 | US6448833 Delay circuit |
| 09/05/2002 | US20020124030 Integration and hold phase detection |
| 09/05/2002 | US20020122443 Data transition identifier |
| 09/05/2002 | US20020122438 Current mode phase detection |
| 09/05/2002 | US20020121930 Combined active impedance and filter in line drivers |
| 09/05/2002 | US20020121926 Filter circuit |
| 09/04/2002 | EP1237295A1 Balanced transmission termination device |
| 09/03/2002 | US6445321 Hybrid low-pass sigma-delta modulator |
| 09/03/2002 | US6445259 Method to find a value within a range using weighted subranges |
| 09/03/2002 | US6445238 Method and apparatus for adjusting delay in a delay locked loop for temperature variations |
| 09/03/2002 | US6445039 System and method for ESD Protection |
| 08/29/2002 | US20020120937 Apparatus for reducing flicker noise in a mixer circuit |
| 08/29/2002 | US20020118704 Acquisition aid circuit |
| 08/29/2002 | US20020118061 Method of controlling common-mode in differential gm-c circuits |
| 08/29/2002 | US20020118056 Variable delay CMOS circuit with PVT control |
| 08/29/2002 | US20020118043 Single to differential input buffer circuit |
| 08/29/2002 | US20020118037 Impedance updating apparatus of termination circuit and impedance updating method thereof |
| 08/29/2002 | US20020118006 Phase frequency detector |
| 08/29/2002 | DE10151745A1 Impedanzanpassungsvorrichtung für eine Abschlußschaltung und Impedanzanpassungsverfahren dafür Impedance matching device for a termination circuit and impedance matching method thereof |
| 08/29/2002 | DE10105258A1 Auflösungs-Filter für einen Spektrumanalysator Resolution filter for a spectrum analyzer |
| 08/28/2002 | EP1234378A1 High q gyrator structures |
| 08/28/2002 | EP1080512A4 Microwave channelized bandpass filter having two channels |
| 08/28/2002 | CN1089967C Amplifier circuit for sound frequency signal |
| 08/27/2002 | US6441682 Active polyphase filter with transconductor cross-coupling of filter sections |
| 08/22/2002 | WO2002065639A1 Lc controllable oscillator, a quadrature oscillator and a communication arrangement |
| 08/22/2002 | WO2002065638A1 Tunable quadrature phase shifter |
| 08/22/2002 | WO2002012843A3 High and low frequency band dual output transducer |
| 08/22/2002 | US20020114416 Phase alignment of data to clock |
| 08/22/2002 | US20020113725 Filter-provided device |
| 08/22/2002 | US20020113644 Digitally tuned analog notch filter circuit |
| 08/22/2002 | US20020113638 Termination resistor circuit for achieving highly versatile interface circuit and signal transmission system having the termination resistor circuit |
| 08/21/2002 | EP1233513A2 Digitally tuned analog notch filter circuit |
| 08/21/2002 | EP1232632A1 Band pass and notch filters for echo reduction with less phase distortion |
| 08/21/2002 | CN1089497C Method and filter for isolation upstream ingress noise in bi-directional cable system |
| 08/20/2002 | US6437615 Loop filter and method for generating a control signal in phase-locked loop circuits |
| 08/15/2002 | WO2002063768A1 Circuits with dynamic biasing |
| 08/15/2002 | WO2002035756A3 Active continuous-time filter with increased dynamic range in the presence of blocker signals |
| 08/15/2002 | WO2001082476A3 Method and apparatus for selecting at least one desired channel utilizing a bank of vibrating micromechanical apparatus |
| 08/15/2002 | WO2001028310A9 An adaptive radio transceiver |
| 08/15/2002 | US20020109553 Voltage controlled oscillator |
| 08/15/2002 | US20020109552 System and method of tuning a voltage controlled oscillator |
| 08/15/2002 | US20020109538 Semiconductor device including a control signal generation circuit allowing reduction in size |
| 08/15/2002 | US20020109527 High-speed output driver |
| 08/14/2002 | EP1230732A1 Gigabit ethernet transceiver with analog front end |
| 08/14/2002 | EP1166437A4 Power efficient line driver |
| 08/14/2002 | DE10063999A1 Mikrowellen-Dämpfungsglied Microwave attenuator |
| 08/13/2002 | US6433630 Phase shifter, and demodulator employing it |
| 08/13/2002 | US6433604 Phase adjustment technique |
| 08/08/2002 | US20020105454 Semiconductor integrated circuit |
| 08/07/2002 | EP1228564A2 Single chip cmos transmitter/receiver and method of using same |
| 08/06/2002 | US6429733 Filter with controlled offsets for active filter selectivity and DC offset control |
| 08/06/2002 | US6429690 Programmable linear transconductor circuit |
| 08/01/2002 | WO2002060085A2 Filter arrangement |
| 08/01/2002 | WO2002060059A2 Method and circuit for maintaining a single stable dc operating point |
| 08/01/2002 | WO2002060055A1 Tunable integrated rf filter having switched field effect capacitors |
| 08/01/2002 | WO2002060015A1 Multi-circuit signal transformer |
| 08/01/2002 | US20020101279 Active filter circuit with operational amplifier |
| 07/31/2002 | CN2503668Y Two-way step-by-step attenuator |
| 07/31/2002 | CN1361940A 集成电路 IC |
| 07/30/2002 | US6426680 System and method for narrow band PLL tuning |
| 07/25/2002 | WO2002058236A1 Electronic filter circuit with feed back loop |
| 07/25/2002 | US20020098863 Broadband driver |
| 07/25/2002 | US20020097682 Low frequency loop-back in a high speed optical transceiver |
| 07/25/2002 | US20020097105 Multi-circuit signal transformer |